Carrier materials
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 30, 1999
Grant Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Jan 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Improved carrier materials for use in electrophotographic processes and processes for producing such carrier materials are disclosed. The carrier materials feature a preferably conductive core coated with an first conductive layer and a second, insulative layer. The coating layers preferably comprise a fluoropolymer matrix or other triboelectrically chargeable substance or substances. In one embodiment the same fluoropolymer is used in the first and second coatings.
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